APA (7th ed.) Citation

Date, C. J. (1981). An Introduction to database systems. Addison-Wesley Publishing Co., Inc.

Chicago Style (17th ed.) Citation

Date, C. J. An Introduction to Database Systems. Addison-Wesley Publishing Co., Inc, 1981.

MLA (8th ed.) Citation

Date, C. J. An Introduction to Database Systems. Addison-Wesley Publishing Co., Inc, 1981.

Warning: These citations may not always be 100% accurate.